You can download review definitions as json files and import them later into another environment.
To download or import review definitions:
Log in to Identity Governance as a Review or Global Administrator.
Under Reviews, select Definitions.
Select a definition or all the definitions.
Select Download.
(Optional) Download included business roles, technical roles, and associated applications.
Select Save.
If you make changes, or want to want to import previously downloaded review definitions into another environment, select Import Review Definitions.
Navigate to the review definitions json file, select the file to import, and click Open.
Identity Governance detects whether you are importing new or updated roles and whether the updates would create any conflicts or have unresolved references.
Select how to continue based on what information is displayed.